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Pond substrate consists of coarse, porous grains of stone, which are added to the bottom first after the pond is constructed. If you want to keep your pond biologically well balanced, using pond substrate is half the battle. After all, this bottom layer forms the foundation of your pond.
Vijversubstraat bestaat uit grove, poreuze korrels van steen, die na aanleg van de vijver als eerste worden toegevoegd op de bodem. Lees meer
